Surface mount technology (SMT) on-board type universal serial bus (USB) TYPE-C connector

Abstract

The utility model discloses an SMT on-board type USB TYPE-C connector, which comprises a shell assembly, an upper terminal assembly, a primary plastic part and a middle clamping piece, the shell assembly is composed of a shell main body, an inner concave step, a shell clamping plate, a rear bending support, a front bending support and a convex point, the bottom of the shell main body is provided with the inner concave step and a contact elastic sheet, and the front bending support is provided with the contact elastic sheet. The shell main body is provided with a shell clamping plate, a rear bent bracket and a front bent bracket; according to the utility model, through the cooperation among the upper terminal assembly, the lower terminal assembly, the middle clamping piece, the primary plastic part, the secondary plastic part, the tertiary plastic part assembly and the concave step, the strength of the tongue piece is improved, the plastic parts are prevented from being damaged, and the durability of the product is improved; meanwhile, through the cooperation of the shell main body, the front bending support, the protruding points, the upper terminal assembly and the lower terminal assembly, missing soldering or pseudo soldering is effectively prevented, the fault rate is reduced, and the maintenance cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and in particular to an SMT board-mounted USB TYPE-C connector. Background Art

[0002] The USB connector is a standard interface for connecting computers and other electronic devices. The full name of USB is "Universal Serial Bus". It has different types and versions. Among them, Type-C has the feature of double-sided insertion, which can support higher transmission speeds and power conversion. The existing Type-C connector can basically meet the requirements of daily use, but it still has certain shortcomings.

[0003] First, the existing USB Type-C connector has a design issue: the connector tongue is not strong enough. This design flaw can cause physical damage to the connector under frequent plugging and unplugging or high-voltage environments, thus affecting its stability and long-term reliability. Second, during the production process, the USB Type-C connector's soldering process is also prone to quality issues, such as empty or cold solder joints. These soldering defects can cause poor electrical contact in the connector, affecting signal transmission quality, increasing the failure rate, and possibly requiring frequent repairs or replacements, increasing costs.

[0004] Therefore, it is necessary to design an SMT board-mounted USB TYPE-C connector. Utility Model Content

[0005] The purpose of the present invention is to provide a SMT board-mounted USB TYPE-C connector to solve the above-mentioned problems.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an SMT board-type USBTYPE-C connector, including a shell component, an upper terminal component, a primary plastic part, a lower terminal component and a middle clip, the shell component is composed of a shell body, a concave step, a shell clamping plate, a rear curved bracket, a front curved bracket and a convex point, the bottom of the shell body is provided with a concave step and a contact spring, the middle part of the top of the shell body is provided with a contact convex bump, the shell body is provided with a shell clamping plate, the shell body is provided with a rear curved bracket, the shell body is provided with a front curved bracket, the front curved bracket is provided with a convex point, the upper terminal component is installed in the shell component, the upper terminal component is composed of an upper terminal body, an upper terminal SMT foot and an upper terminal contact head The upper terminal body is provided with an upper terminal SMT foot, the upper terminal body is provided with an upper terminal contact head, the upper terminal body is injection-molded with a primary plastic part, and a lower terminal assembly is installed in the shell assembly, the lower terminal assembly is composed of a lower terminal body, a lower terminal SMT foot and a lower terminal contact head, the lower terminal body is provided with a lower terminal SMT foot, the lower terminal body is provided with a lower terminal contact head, a secondary plastic part is injection-molded on the lower terminal body, the secondary plastic part is injection-molded on the middle clip, and a tertiary plastic part assembly is injection-molded on the primary plastic part, the tertiary plastic part assembly is composed of a plastic body, a rear plastic clamping groove, a plastic clamping block and a front plastic clamping groove, the plastic body is provided with a rear plastic clamping groove, the plastic body is provided with a plastic clamping block, and the plastic body is provided with a front plastic clamping groove.

[0007] As a further technical solution of the present invention, the concave step is clamped on the front clamping groove of the plastic part.

[0008] As a further technical solution of the present invention, the housing clamping plate is clamped on the rear clamping groove of the plastic part.

[0009] As a further technical solution of the present invention, a plastic body is injection-molded on the upper terminal contact head.

[0010] As a further technical solution of the present invention, the plastic part body is injection molded onto the lower terminal contact head.

[0011] As a further technical solution of the present invention, the plastic component snap-in block is snap-into a groove provided on the shell body.

[0012] As a further technical solution of the present invention, the plastic body is fitted with the concave step.

[0013] The utility model provides an SMT board-type USB TYPE-C connector, which has the following advantages: a primary plastic part is injection-molded on the upper terminal component, a lower terminal component and a middle clip are jointly injection-molded in a secondary plastic part, and then the primary plastic part and the secondary plastic part are clamped together into a whole, and a tertiary plastic part component is injection-molded thereon; the upper terminal contact head and the lower terminal contact head are both designed to be duckbill-shaped and fixedly connected in the tertiary plastic part component, which greatly improves the strength of the tongue piece; at the same time, a portion of the concave step is higher than the surface of the plastic part body when clamped, preventing damage to the plastic part during use and improving the durability of the product; at the same time, a front curved bracket is provided on the shell body, and a protrusion is provided on the front curved bracket, which facilitates the attachment of the upper terminal SMT foot and the lower terminal SMT foot to the board, effectively preventing the occurrence of empty soldering or cold soldering, reducing the failure rate, and saving maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is the main view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 It is a top view of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the housing assembly of the present utility model;

[0020] Figure 6 This is a schematic diagram of the upper terminal assembly structure of the present utility model;

[0021] Figure 7 This is a schematic diagram of the primary plastic part structure of the utility model;

[0022] Figure 8 This is a schematic structural diagram of the lower terminal assembly of the present utility model;

[0023] Figure 9 This is a schematic diagram of the structure of the middle clip of the utility model;

[0024] Figure 10 This is a schematic diagram of the secondary plastic part structure of the utility model;

[0025] Figure 11 This is a schematic diagram of the three-dimensional plastic component structure of the present invention.

[0026] In the figure: 10. Shell assembly; 11. Shell body; 12. Inner concave step; 13. Shell clip plate; 14. Rear curved bracket; 15. Front curved bracket; 16. Bump; 17. Contact bump; 18. Contact spring; 20. Upper terminal assembly; 21. Upper terminal body; 22. Upper terminal SMT foot; 23. Upper terminal contact head; 3. Primary plastic part; 40. Lower terminal assembly; 41. Lower terminal body; 42. Lower terminal SMT foot; 43. Lower terminal contact head; 5. Middle clip; 6. Secondary plastic part; 70. Tertiary plastic part assembly; 71. Plastic body; 72. Plastic rear clip groove; 73. Plastic clip block; 74. Plastic front clip groove. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0029] Please see the attached Figure 1 -Attached Figure 11The present invention provides an embodiment of an SMT board-mounted USB TYPE-C connector, comprising a housing assembly 10, an upper terminal assembly 20, a primary plastic part 3, a lower terminal assembly 40, and a middle clip 5. The housing assembly 10 comprises a housing body 11, an inner recessed step 12, a housing clip plate 13, a rear curved bracket 14, a front curved bracket 15, and a protrusion 16. The bottom of the housing body 11 is provided with an inner recessed step 12 and a contact spring 18. The middle portion of the top of the housing body 11 is provided with a contact convex bump 17. The design of the contact spring 18 and the contact convex bump 17 allows the plug to be inserted smoothly. The rear contact with the shell body 11 is closer to improve the current resistance of the product. The shell body 11 is provided with a shell clamping plate 13, the shell body 11 is provided with a rear bent bracket 14, the shell body 11 is provided with a front bent bracket 15, the front bent bracket 15 is provided with a bump 16, and an upper terminal assembly 20 is installed in the shell assembly 10. The upper terminal assembly 20 consists of an upper terminal body 21, an upper terminal SMT foot 22 and an upper terminal contact head 23. The upper terminal body 21 is provided with an upper terminal SMT foot 22, the upper terminal body 21 is provided with an upper terminal contact head 23, and the upper terminal main The housing 21 is injection molded with a primary plastic part 3, and the housing assembly 10 is installed with a lower terminal assembly 40. The lower terminal assembly 40 is composed of a lower terminal body 41, a lower terminal SMT foot 42 and a lower terminal contact head 43. The lower terminal body 41 is provided with a lower terminal SMT foot 42, and the lower terminal body 41 is provided with a lower terminal contact head 43. A secondary plastic part 6 is injection molded on the lower terminal body 41. The secondary plastic part 6 is injection molded on the middle clip 5. A tertiary plastic part assembly 70 is injection molded on the primary plastic part 3. The tertiary plastic part assembly 70 is composed of a plastic body 71, a plastic rear clamping groove 72, a plastic clamping block 73 and a plastic front clamping groove 72. The plastic body 71 is provided with a rear plastic clamping groove 72, a plastic clamping block 73, and a front plastic clamping groove 74. The inner concave step 12 is clamped on the front plastic clamping groove 74. The housing clamping plate 13 is clamped on the rear plastic clamping groove 72. The upper terminal contact head 23 is injection-molded with the plastic body 71. The plastic body 71 is injection-molded on the lower terminal contact head 43. The plastic clamping block 73 is clamped in the groove provided on the housing body 11. The plastic body 71 fits in place with the inner concave step 12, which serves as a limiter and protector.

[0030] Specifically, when in use, a primary plastic part 3 is injection molded on the upper terminal assembly 20, and the lower terminal assembly 40 and the middle clip 5 are jointly injection molded in the secondary plastic part 6. Then, the primary plastic part 3 and the secondary plastic part 6 are clamped into a whole and a tertiary plastic part assembly 70 is injection molded thereon. The upper terminal contact head 23 and the lower terminal contact head 43 are both designed to be duckbill-shaped and fixedly connected in the tertiary plastic part assembly 70, which greatly improves the strength of the tongue. At the same time, a portion of the concave step 12 is higher than the surface of the plastic part body 71 when clamped, which prevents damage to the plastic part during use and improves the durability of the product. At the same time, a front curved bracket 15 is provided on the shell body 11, and a protrusion 16 is provided on the front curved bracket 15 to facilitate the attachment of the upper terminal SMT foot 22 and the lower terminal SMT foot 42 to the board, effectively preventing the occurrence of empty soldering or cold soldering, reducing the failure rate, and saving maintenance costs.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0032] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A SMT board-mounted USB TYPE-C connector, comprising a housing assembly (10), an upper terminal assembly (20), a primary plastic component (3), a lower terminal assembly (40), and a middle clip (5), characterized in that: The housing assembly (10) is composed of a housing body (11), an indented step (12), a housing clamping plate (13), a rear curved bracket (14), a front curved bracket (15), a convex point (16), a contact convex bump (17) and a contact spring (18). The bottom of the housing body (11) is provided with an indented step (12) and a contact spring (18), the middle of the top of the housing body (11) is provided with a contact convex bump (17), the housing body (11) is provided with a housing clamping plate (13), and the housing The main body (11) is provided with a rear curved bracket (14), the shell main body (11) is provided with a front curved bracket (15), the front curved bracket (15) is provided with a convex point (16), an upper terminal assembly (20) is installed in the shell assembly (10), the upper terminal assembly (20) is composed of an upper terminal main body (21), an upper terminal SMT foot (22) and an upper terminal contact head (23), the upper terminal main body (21) is provided with an upper terminal SMT foot (22), the upper terminal main body (21) is provided with a protrusion (16), and an upper terminal assembly (20) is installed in the shell assembly (10). The upper terminal body (21) is provided with an upper terminal contact head (23), a primary plastic part (3) is injection molded on the upper terminal body (21), a lower terminal assembly (40) is installed in the housing assembly (10), the lower terminal assembly (40) is composed of a lower terminal body (41), a lower terminal SMT foot (42) and a lower terminal contact head (43), the lower terminal body (41) is provided with a lower terminal SMT foot (42), the lower terminal body (41) is provided with a lower terminal contact head (43), and the lower terminal body (41) is injection molded with a secondary plastic part. (6), the secondary plastic part (6) is injection molded on the middle clip (5), and a tertiary plastic part assembly (70) is injection molded on the primary plastic part (3), the tertiary plastic part assembly (70) consisting of a plastic part body (71), a rear plastic part clamping groove (72), a plastic part clamping block (73) and a front plastic part clamping groove (74), the plastic part body (71) is provided with a rear plastic part clamping groove (72), the plastic part body (71) is provided with a plastic part clamping block (73), and the plastic part body (71) is provided with a front plastic part clamping groove (74).

2. The SMT board-mounted USB Type-C connector according to claim 1, wherein: The inwardly recessed step (12) is clamped on the front clamping groove (74) of the plastic part.

3. The SMT board-mounted USB Type-C connector according to claim 1, wherein: The housing clamping plate (13) is clamped on the rear clamping groove (72) of the plastic part.

4. The SMT board-mounted USB Type-C connector according to claim 1, wherein: A plastic body (71) is injection-molded on the upper terminal contact head (23).

5. The SMT board-mounted USB TYPE-C connector according to claim 4, wherein: The plastic part body (71) is injection-molded on the lower terminal contact head (43).

6. The SMT board-mounted USB TYPE-C connector according to claim 1, wherein: The plastic component clamping block (73) is clamped in a groove provided on the shell body (11).

7. The SMT board-mounted USB TYPE-C connector according to claim 5, wherein: The plastic part body (71) is fitted with the concave step (12).

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